parasites

Definitions

Organisms that live in or on an organism of another species and benefit by deriving nutrients at the other's expense.

People who habitually rely on or exploit others and give nothing in return.

Examples

The veterinarian examined the puppy to ensure it was free of internal parasites.

Some species of plants act as parasites, drawing nutrients directly from their host trees.

The documentary explored how certain parasites can manipulate the behavior of their hosts to ensure their own survival.

Synonyms

leech freeloader scrounger sponge moocher hanger-on blood-sucker

Antonyms

benefactor provider philanthropist contributor producer supporter donor